Electronic device
AssigneeSTMicroelectronics International N.V.
InventorJimmy Fort
Life of this patent
Estimating the term…
Abstract
The present description concerns a device comprising a voltage regulator comprising first and second branches comprising first, second, and third transistors, the control nodes of the first transistors of the first and second branches being coupled together, the control node of the third transistor of each first and second branch being coupled to the junction point of the first and second transistors of the same branch, a fourth transistor, and a fifth transistor, the control nodes of the fourth transistor and of the second transistor of the first branch being coupled together to a node of application of a set point voltage, the control nodes of the fifth transistor and of the second transistor of the second branch being coupled together to an output node of the regulator.
Claims20
A voltage regulator comprising:
- first and second branches, each first and second branch comprising, in order, first, thirtieth, second, and third transistors coupled in series, between a first node of application of a power supply voltage and a second node of application of a reference voltage, control nodes of the first transistors of the first and second branches being coupled together, control nodes of the thirtieth transistors of the first and second branches being coupled together, a control node of the third transistor of each first and second branch being coupled to a junction point of the thirtieth and second transistors of the respective branch;
- a fourth transistor coupled between a junction point of the second and third transistors of the second branch and a third node, control nodes of the fourth transistor and of the second transistor of the first branch being coupled together to a node of application of a set point voltage;
- and
- a fifth transistor coupled between a junction point of the second and third transistors of the first branch and a fourth node, control nodes of the fifth transistor and of the second transistor of the second branch being coupled together to an output node of the regulator.
A device comprising:
- a voltage regulator comprising:
- first and second branches, each first and second branch comprising, in order, first, thirtieth, second, and third transistors coupled in series, between a first node of application of a power supply voltage and a second node of application of a reference voltage, control nodes of the first transistors of the first and second branches being coupled together, control nodes of the thirtieth transistors of the first and second branches being coupled together, a control node of the third transistor of each first and second branch being coupled to a junction point of the thirtieth and second transistors of the respective branch;
- a fourth transistor coupled between a junction point of the second and third transistors of the second branch and a third node, control nodes of the fourth transistor and of the second transistor of the first branch being coupled together to a node of application of a set point voltage;
- and
- a fifth transistor coupled between a junction point of the second and third transistors of the first branch and a fourth node, control nodes of the fifth transistor and of the second transistor of the second branch being coupled together to an output node of the regulator;
- a microcontroller having a first power supply input coupled to the output node of the regulator;
- and
- a memory having a second power supply input coupled to the output node of the regulator.
Dependencies are inferred from the claim text.